[squid-dev] Automake bug workaround

[Amos Jeffries]

On 9/12/2016 12:18 p.m., Eliezer Croitoru wrote:
> What happen with this?
> 

Nothing so far. It is not going to be as simple as adding those lines to
the configure.ac script unfortunately.

There is already a hack in configure.ac to work around some
system-specific issues with the AR tool. We need somebody familiar with
(or able to spend lot of time learning) the build chain tools to
investigate what the original details of that were** and figure out how
to make this addition integrate cleanly.

** sorry I've forgotten specifics.

Amos


> -----Original Message-----
> From: Alex Rousskov
> 
> Hello,
> 
>     Squid build produces lots of warnings in modern build environments such as Ubuntu 16.04:
> 
>> make > /dev/null
>> /usr/bin/ar: `u' modifier ignored since `D' is the default (see `U')
>> /usr/bin/ar: `u' modifier ignored since `D' is the default (see `U')
> ...
>> /usr/bin/ar: `u' modifier ignored since `D' is the default (see `U')
>> ar: `u' modifier ignored since `D' is the default (see `U')
>> ar: `u' modifier ignored since `D' is the default (see `U')
>> /usr/bin/ar: `u' modifier ignored since `D' is the default (see `U')
>> /usr/bin/ar: `u' modifier ignored since `D' is the default (see `U')
> ...
> 
> These benign warnings is most likely an ancient Automake bug awaken by recent environmental changes. It is becoming a well-known issue among many projects AFAICT. The attached Web Polygraph patch works around this problem. The patch preamble has more technical references.
> 
> If you think Squid should do something like this, please consider adopting and adjusting this patch as needed for Squid.
> 
> 
> Thank you,
> 
> Alex.
> 
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